logstash grok 自测实例+常用正则（grok-patterns）

其他 2018-09-14 05:16:47 阅读次数: 0

一、背景

研究了grok一下整天，虽然知识还是很浅薄，但还是在这里做个总结。

二、自测示例

下一章罗列了常用的一些正则，规则详情也有；在进行记忆学习前，我先展示下我自己的自测学习示例。

日志

我这边有一个log4j的日志，部分展示如下

[2018-07-10T16:22:30,001] AbstractBeanFactory(doGetBean:248): Returning cached instance of singleton bean 'mainCtl'
[2018-07-10T16:22:30,007] MainCtl(doControl:52): current tradecode:trigger_timer,flowsn:1
[2018-07-10T16:22:30,008] FlowParser(getFlowInfo:462): debugow:C:\Users\61661\Downloads\tinyWebDemo\tinyWebDemo1\src\main\resources\flow\trigger_timer.flow
[2018-07-10T16:22:30,009] MainCtl(doControl:60): flowInfos:{1=id:1,name:script}
[2018-07-10T16:22:30,011] AbstractBeanFactory(doGetBean:248): Returning cached instance of singleton bean 'enumTools'
[2018-07-10T16:22:30,013] AbstractBeanFactory(doGetBean:248): Returning cached instance of singleton bean 'jsDemo'
[2018-07-10T16:22:30,013] JsDemo(init:18): js demo init
[2018-07-10T16:22:30,019] TinyLog(debug:17): [null-trigger_timer] do function trigger_timer_1
[2018-07-10T16:22:30,019] TinyLog(info:21): [null-trigger_timer] start timer......
[2018-07-10T16:22:30,020] MainCtl(doControl:103): :2ms

grok配置

grok的编写配置虽然不难，但是很容易出错，要善于学会使用grok debugger来测试。
这边给一个中文版的测试网站（英文的要翻墙）：http://grok.qiexun.net/

测试结果如下图，表达式为：

\[%{TIMESTAMP_ISO8601:logdate}\] %{WORD:AA}\(%{WORD:BB}:%{WORD:BB}\): %{GREEDYDATA:C}

这里写图片描述

编写conf文件

说明：以下命令根据自己的路径进行调整

当前目录下编写conf文件

input {
    file {
         #日志所在目录
        path => ["/opt/data/test.log"]
        type => "system"
        #从文件开始的地方读
        start_position => "beginning"
        #这个是我爬过的坑 T.T ，写上下面的这段，反复重启的时候，才会从文件开始的地方读
        sincedb_path => "/dev/null"
    }
}
filter {
    grok {
      match => { "message" => "\[%{TIMESTAMP_ISO8601:logdate}\] %{WORD:AA}\(%{WORD:BB}:%{WORD:BB}\): %{GREEDYDATA:C}" }
    }
    date {
      match => [ "logdate", "MMM  d HH:mm:ss", "MMM dd HH:mm:ss" ]
    }
}
output{
     stdout{
       codec=>rubydebug{}
    }
}

logstash 解析

执行命令

/opt/elk/logstash-6.2.2/bin/logstash -f test.conf

最后结果如下（截取了一部分）：

{
          "host" => "hadoop02",
       "message" => "[2018-07-10T16:22:30,019] TinyLog(debug:17): [null-trigger_timer] do function trigger_timer_1",
      "@version" => "1",
       "logdate" => "2018-07-10T16:22:30,019",
            "AA" => "TinyLog",
          "tags" => [
        [0] "_dateparsefailure"
    ],
             "C" => "[null-trigger_timer] do function trigger_timer_1",
            "BB" => [
        [0] "debug",
        [1] "17"
    ],
          "path" => "/opt/data/test.log",
    "@timestamp" => 2018-08-01T16:43:18.303Z,
          "type" => "system"
}
{
          "host" => "hadoop02",
       "message" => "[2018-07-10T16:22:30,019] TinyLog(info:21): [null-trigger_timer] start timer......",
      "@version" => "1",
       "logdate" => "2018-07-10T16:22:30,019",
            "AA" => "TinyLog",
          "tags" => [
        [0] "_dateparsefailure"
    ],
             "C" => "[null-trigger_timer] start timer......",
            "BB" => [
        [0] "info",
        [1] "21"
    ],
          "path" => "/opt/data/test.log",
▽   "@timestamp" => 2018-08-01T16:43:18.303Z,
          "type" => "system"
}
{
          "host" => "hadoop02",
       "message" => "[2018-07-10T16:22:30,020] MainCtl(doControl:103): :2ms",
      "@version" => "1",
       "logdate" => "2018-07-10T16:22:30,020",
            "AA" => "MainCtl",
          "tags" => [
        [0] "_dateparsefailure"
    ],
             "C" => ":2ms",
            "BB" => [
        [0] "doControl",
        [1] "103"
    ],
          "path" => "/opt/data/test.log",
    "@timestamp" => 2018-08-01T16:43:18.303Z,
          "type" => "system"
}

三、常用的正则

说明：左边是名称，右边的是正则，意义都有在注解里面说明
当然，你自己测一下就知道了。

USERNAME [a-zA-Z0-9._-]+
USER %{USERNAME}
INT (?:[+-]?(?:[0-9]+))
BASE10NUM (?<![0-9.+-])(?>[+-]?(?:(?:[0-9]+(?:\.[0-9]+)?)|(?:\.[0-9]+)))
NUMBER (?:%{BASE10NUM})
BASE16NUM (?<![0-9A-Fa-f])(?:[+-]?(?:0x)?(?:[0-9A-Fa-f]+))
BASE16FLOAT \b(?<![0-9A-Fa-f.])(?:[+-]?(?:0x)?(?:(?:[0-9A-Fa-f]+(?:\.[0-9A-Fa-f]*)?)|(?:\.[0-9A-Fa-f]+)))\b

POSINT \b(?:[1-9][0-9]*)\b
NONNEGINT \b(?:[0-9]+)\b
WORD \b\w+\b
NOTSPACE \S+
SPACE \s*
DATA .*?
GREEDYDATA .*
QUOTEDSTRING (?>(?<!\\)(?>"(?>\\.|[^\\"]+)+"|""|(?>'(?>\\.|[^\\']+)+')|''|(?>`(?>\\.|[^\\`]+)+`)|``))
UUID [A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}-){3}[A-Fa-f0-9]{12}

# Networking
MAC (?:%{CISCOMAC}|%{WINDOWSMAC}|%{COMMONMAC})
CISCOMAC (?:(?:[A-Fa-f0-9]{4}\.){2}[A-Fa-f0-9]{4})
WINDOWSMAC (?:(?:[A-Fa-f0-9]{2}-){5}[A-Fa-f0-9]{2})
COMMONMAC (?:(?:[A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2})
IPV6 ((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?
IPV4 (?<![0-9])(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))(?![0-9])
IP (?:%{IPV6}|%{IPV4})
HOSTNAME \b(?:[0-9A-Za-z][0-9A-Za-z-]{0,62})(?:\.(?:[0-9A-Za-z][0-9A-Za-z-]{0,62}))*(\.?|\b)
HOST %{HOSTNAME}
IPORHOST (?:%{HOSTNAME}|%{IP})
HOSTPORT %{IPORHOST}:%{POSINT}

# paths
PATH (?:%{UNIXPATH}|%{WINPATH})
UNIXPATH (?>/(?>[\w_%!$@:.,-]+|\\.)*)+
TTY (?:/dev/(pts|tty([pq])?)(\w+)?/?(?:[0-9]+))
WINPATH (?>[A-Za-z]+:|\\)(?:\\[^\\?*]*)+
URIPROTO [A-Za-z]+(\+[A-Za-z+]+)?
URIHOST %{IPORHOST}(?::%{POSINT:port})?

# uripath comes loosely from RFC1738, but mostly from what Firefox
# doesn't turn into %XX
URIPATH (?:/[A-Za-z0-9$.+!*'(){},~:;=@#%_\-]*)+
#URIPARAM \?(?:[A-Za-z0-9]+(?:=(?:[^&]*))?(?:&(?:[A-Za-z0-9]+(?:=(?:[^&]*))?)?)*)?
URIPARAM \?[A-Za-z0-9$.+!*'|(){},~@#%&/=:;_?\-\[\]]*
URIPATHPARAM %{URIPATH}(?:%{URIPARAM})?
URI %{URIPROTO}://(?:%{USER}(?::[^@]*)?@)?(?:%{URIHOST})?(?:%{URIPATHPARAM})?

# Months: January, Feb, 3, 03, 12, December
MONTH \b(?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?)\b
MONTHNUM (?:0?[1-9]|1[0-2])
MONTHNUM2 (?:0[1-9]|1[0-2])
MONTHDAY (?:(?:0[1-9])|(?:[12][0-9])|(?:3[01])|[1-9])

# Days: Monday, Tue, Thu, etc...
DAY (?:Mon(?:day)?|Tue(?:sday)?|Wed(?:nesday)?|Thu(?:rsday)?|Fri(?:day)?|Sat(?:urday)?|Sun(?:day)?)

# Years?
YEAR (?>\d\d){1,2}
HOUR (?:2[0123]|[01]?[0-9])
MINUTE (?:[0-5][0-9])
# '60' is a leap second in most time standards and thus is valid.
SECOND (?:(?:[0-5]?[0-9]|60)(?:[:.,][0-9]+)?)
TIME (?!<[0-9])%{HOUR}:%{MINUTE}(?::%{SECOND})(?![0-9])
# datestamp is YYYY/MM/DD-HH:MM:SS.UUUU (or something like it)
DATE_US %{MONTHNUM}[/-]%{MONTHDAY}[/-]%{YEAR}
DATE_EU %{MONTHDAY}[./-]%{MONTHNUM}[./-]%{YEAR}
ISO8601_TIMEZONE (?:Z|[+-]%{HOUR}(?::?%{MINUTE}))
ISO8601_SECOND (?:%{SECOND}|60)
TIMESTAMP_ISO8601 %{YEAR}-%{MONTHNUM}-%{MONTHDAY}[T ]%{HOUR}:?%{MINUTE}(?::?%{SECOND})?%{ISO8601_TIMEZONE}?
DATE %{DATE_US}|%{DATE_EU}
DATESTAMP %{DATE}[- ]%{TIME}
TZ (?:[PMCE][SD]T|UTC)
DATESTAMP_RFC822 %{DAY} %{MONTH} %{MONTHDAY} %{YEAR} %{TIME} %{TZ}
DATESTAMP_RFC2822 %{DAY}, %{MONTHDAY} %{MONTH} %{YEAR} %{TIME} %{ISO8601_TIMEZONE}
DATESTAMP_OTHER %{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{TZ} %{YEAR}
DATESTAMP_EVENTLOG %{YEAR}%{MONTHNUM2}%{MONTHDAY}%{HOUR}%{MINUTE}%{SECOND}

# Syslog Dates: Month Day HH:MM:SS
SYSLOGTIMESTAMP %{MONTH} +%{MONTHDAY} %{TIME}
PROG (?:[\w._/%-]+)
SYSLOGPROG %{PROG:program}(?:\[%{POSINT:pid}\])?
SYSLOGHOST %{IPORHOST}
SYSLOGFACILITY <%{NONNEGINT:facility}.%{NONNEGINT:priority}>
HTTPDATE %{MONTHDAY}/%{MONTH}/%{YEAR}:%{TIME} %{INT}

# Shortcuts
QS %{QUOTEDSTRING}

# Log formats
SYSLOGBASE %{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{SYSLOGPROG}:
COMMONAPACHELOG %{IPORHOST:clientip} %{USER:ident} %{USER:auth} \[%{HTTPDATE:timestamp}\] "(?:%{WORD:verb} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})?|%{DATA:rawrequest})" %{NUMBER:response} (?:%{NUMBER:bytes}|-)
COMBINEDAPACHELOG %{COMMONAPACHELOG} %{QS:referrer} %{QS:agent}

# Log Levels
LOGLEVEL ([Aa]lert|ALERT|[Tt]race|TRACE|[Dd]ebug|DEBUG|[Nn]otice|NOTICE|[Ii]nfo|INFO|[Ww]arn?(?:ing)?|WARN?(?:ING)?|[Ee]rr?(?:or)?|ERR?(?:OR)?|[Cc]rit?(?:ical)?|CRIT?(?:ICAL)?|[Ff]atal|FATAL|[Ss]evere|SEVERE|EMERG(?:ENCY)?|[Ee]merg(?:ency)?)

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